Question

divide the sum of fractions 2upon3 and 5 upon 7 by their difference​

Answer 1

Answer:

2/3÷5/7

=2/3÷5/7

=2/3×7/5

=10/21

Answer 2

Answer:

-2⅓

Step-by-step explanation:

→ Frist, take out the sum of the two fractions

→ 2/3 + 5/7 ( L.C.M = 3 and 7 = 21 )

→ 2 + 5/ 21 = 7/21 = 1/3

→ 1/3

→ Second, take out the difference of the two fractions

→ 2/3 - 5/7 ( L.C.M of 3 and 7 = 21 )

→ 2-5 / 21 = -3/21 = -1/7

→ -1/7

→ Third, divide 1/3 by -1/7

→ 1/3 ÷ -1/7

→ 1/3 × 7/-1 = 7/-3

→ 7/-3 = -2⅓

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